| (19) |
 |
|
(11) |
EP 0 331 397 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
07.02.1990 Bulletin 1990/06 |
| (43) |
Date of publication A2: |
|
06.09.1989 Bulletin 1989/36 |
| (22) |
Date of filing: 27.02.1989 |
|
| (51) |
International Patent Classification (IPC)4: C10M 159/12, C10M 159/16, C10M 145/18, C10M 149/14, C10M 133/52, C10L 1/18, C10L 1/22, C10L 1/24
// C10N30:00, C10N30:02, C10N30:04, C10N40:00, C10N70:00 |
|
| (84) |
Designated Contracting States: |
|
BE DE FR GB |
| (30) |
Priority: |
29.02.1988 US 162282
|
| (71) |
Applicant: EXXON CHEMICAL PATENTS INC. |
|
Florham Park
New Jersey 07932 (US) |
|
| (72) |
Inventors: |
|
- Emert, Jacob
Brooklyn
New York 11218 (US)
- Gutierrez, Antonio
Mercerville
New Jersey 08619 (US)
- Lundberg, Robert Dean
Bridgewater
New Jersey 08807 (US)
|
| (74) |
Representative: Northover, Robert Frank et al |
|
Exxon Chemical Limited
Exxon Chemical Technology Centre
PO Box 1
Abingdon
Oxfordshire, OX13 6BB
Abingdon
Oxfordshire, OX13 6BB (GB) |
|
| |
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| (54) |
Oil soluble dispersant additives useful in oleaginous compositions |
(57) A composition of matter useful as an oleaginous composition dispersant additive comprising
the reaction product of:
(1) at least one nitrogen or ester containing adduct selected from the group consisting
of (i) oil soluble salts, amides, imides, oxazolines, esters, or mixtures thereof
of long chain hydrocarbyl substituted mono and dicarboxylic acids or their anhydrides,
(ii) long chain hydrocarbyl group having a polyamine attached directly thereto, and
(iii) Mannich condensation product formed by condensing long chain hydrocarbyl substituted
hydroxy aromatic compound with an aldehyde and polyamine, said adduct containing at
least one reactive group selected from reactive amino groups and reactive hydroxyl
groups; and
(2) at least one polyanhydride.
Also disclosed are oleaginous compositions, particularly lubricating oil compositions,
containing said reaction product.